Gaya APA

Services, U, D, O, H, A, H. (1988). guidelines for protecting the safety and health of health care workers (1). Bandung: U.S. Department of Health and Human Services.

Gaya MLA

Services, U.S., Departrment, Of, Health, And, Human. "guidelines for protecting the safety and health of health care workers". 1 Bandung: U.S. Department of Health and Human Services, 1988. Kesehatan Masyarakat.